content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2013, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * ----------------------------
   * XYStepAreaRendererTests.java
   * ----------------------------
   * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   Matthias Rose;
   *
   * Changes
   * -------
   * 25-Mar-2003 : Version 1 (DG);
   * 26-Sep-2003 : copied XYStepRendererTests.java and used for
   *               testing XYStepAreaRenderer (MR);
   * 14-Feb-2007 : Extended testEquals() (DG);
   * 22-Apr-2008 : Added testPublicCloneable (DG);
   *
   */
  
  package org.jfree.chart.renderer.xy;
  
  import org.jfree.chart.JFreeChart;
  import org.jfree.chart.axis.NumberAxis;
  import org.jfree.chart.plot.XYPlot;
  import org.jfree.chart.util.PublicCloneable;
  import org.jfree.data.xy.DefaultTableXYDataset;
  import org.jfree.data.xy.XYSeries;
  import org.junit.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotSame;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  
  /**
   * Tests for the {@link XYStepAreaRenderer} class.
   */
  public class XYStepAreaRendererTest  {
  
  
  
  
  
      /**
       * Check that the equals() method distinguishes all fields.
       */
      @Test
      public void testEquals() {
          XYStepAreaRenderer r1 = new XYStepAreaRenderer();
          XYStepAreaRenderer r2 = new XYStepAreaRenderer();
          assertEquals(r1, r2);
  
          r1.setOutline(true);
          assertFalse(r1.equals(r2));
          r2.setOutline(true);
          assertEquals(r1, r2);
  
          r1.setShapesVisible(true);
          assertFalse(r1.equals(r2));
          r2.setShapesVisible(true);
          assertEquals(r1, r2);
  
          r1.setShapesFilled(true);
          assertFalse(r1.equals(r2));
          r2.setShapesFilled(true);
          assertEquals(r1, r2);
  
          r1.setPlotArea(false);
          assertFalse(r1.equals(r2));
          r2.setPlotArea(false);
          assertEquals(r1, r2);
  
          r1.setRangeBase(-1.0);
          assertFalse(r1.equals(r2));
          r2.setRangeBase(-1.0);
          assertEquals(r1, r2);
          
          r1.setStepPoint(0.33);
          assertFalse(r1.equals(r2));
          r2.setStepPoint(0.33);
          assertEquals(r1, r2);
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashcode() {
          XYStepAreaRenderer r1 = new XYStepAreaRenderer();
          XYStepAreaRenderer r2 = new XYStepAreaRenderer();
          assertEquals(r1, r2);
          int h1 = r1.hashCode();
          int h2 = r2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * Confirm that cloning works.
       */
      @Test
      public void testCloning() throws CloneNotSupportedException {
          XYStepAreaRenderer r1 = new XYStepAreaRenderer();
          XYStepAreaRenderer r2 = (XYStepAreaRenderer) r1.clone();
          assertNotSame(r1, r2);
          assertSame(r1.getClass(), r2.getClass());
          assertEquals(r1, r2);
      }
  
      /**
       * Verify that this class implements {@link PublicCloneable}.
       */
      @Test
      public void testPublicCloneable() {
          XYStepAreaRenderer r1 = new XYStepAreaRenderer();
          assertTrue(r1 instanceof PublicCloneable);
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          XYStepAreaRenderer r1 = new XYStepAreaRenderer();
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(r1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                      new ByteArrayInputStream(buffer.toByteArray()));
          XYStepAreaRenderer r2 = (XYStepAreaRenderer) in.readObject();
              in.close();
  
          assertEquals(r1, r2);
      }
  
      /**
       * Draws the chart with a <code>null</code> info object to make sure that
       * no exceptions are thrown (particularly by code in the renderer).
       */
      @Test
      public void testDrawWithNullInfo() {
              DefaultTableXYDataset dataset = new DefaultTableXYDataset();
  
              XYSeries s1 = new XYSeries("Series 1", true, false);
              s1.add(5.0, 5.0);
              s1.add(10.0, 15.5);
              s1.add(15.0, 9.5);
              s1.add(20.0, 7.5);
              dataset.addSeries(s1);
  
              XYSeries s2 = new XYSeries("Series 2", true, false);
              s2.add(5.0, 5.0);
              s2.add(10.0, 15.5);
              s2.add(15.0, 9.5);
              s2.add(20.0, 3.5);
              dataset.addSeries(s2);
              XYPlot plot = new XYPlot(dataset,
                      new NumberAxis("X"), new NumberAxis("Y"),
                      new XYStepAreaRenderer());
              JFreeChart chart = new JFreeChart(plot);
              /* BufferedImage image = */ chart.createBufferedImage(300, 200,
                      null);
  
      }
  
  }
  